From 336d3262df71fcd2661180bb35d5ea41b4cbca58 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Fri, 18 Jul 2008 23:07:09 -0700 Subject: sctp: remove unnecessary byteshifting, calculate directly in big-endian Signed-off-by: Harvey Harrison Signed-off-by: Vlad Yasevich Signed-off-by: David S. Miller --- net/sctp/input.c | 4 ++-- net/sctp/output.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) (limited to 'net/sctp') diff --git a/net/sctp/input.c b/net/sctp/input.c index 5ed93c05c23..a49fa80b57b 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -83,8 +83,8 @@ static inline int sctp_rcv_checksum(struct sk_buff *skb) { struct sk_buff *list = skb_shinfo(skb)->frag_list; struct sctphdr *sh = sctp_hdr(skb); - __u32 cmp = ntohl(sh->checksum); - __u32 val = sctp_start_cksum((__u8 *)sh, skb_headlen(skb)); + __be32 cmp = sh->checksum; + __be32 val = sctp_start_cksum((__u8 *)sh, skb_headlen(skb)); for (; list; list = list->next) val = sctp_update_cksum((__u8 *)list->data, skb_headlen(list), diff --git a/net/sctp/output.c b/net/sctp/output.c index 9a63a3fb901..45684646b1d 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -365,7 +365,7 @@ int sctp_packet_transmit(struct sctp_packet *packet) struct sctp_transport *tp = packet->transport; struct sctp_association *asoc = tp->asoc; struct sctphdr *sh; - __u32 crc32 = 0; + __be32 crc32 = __constant_cpu_to_be32(0); struct sk_buff *nskb; struct sctp_chunk *chunk, *tmp; struct sock *sk; @@ -538,7 +538,7 @@ int sctp_packet_transmit(struct sctp_packet *packet) /* 3) Put the resultant value into the checksum field in the * common header, and leave the rest of the bits unchanged. */ - sh->checksum = htonl(crc32); + sh->checksum = crc32; /* IP layer ECN support * From RFC 2481 -- cgit v1.2.3